Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4171 |
| Number of amino acids: | 438 |
| Molecular Weight: | 46174.31 Da |
| Theoretical pI: | 4.1 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 23 | 5.25% |
| Cysteine CYS (C) | 12 | 2.74% |
| Glutamic Acid GLU (E) | 18 | 4.11% |
| Aspartic Acid ASP (D) | 20 | 4.57% |
| Glycine GLY (G) | 49 | 11.19% |
| Phynylalanine PHE (F) | 15 | 3.42% |
| Isoleucine ILE (I) | 26 | 5.94% |
| Histidine HIS (H) | 3 | 0.68% |
| Lysine LYS (K) | 5 | 1.14% |
| Methionine MET (M) | 11 | 2.51% |
| Leucine LEU (L) | 37 | 8.45% |
| Asparagine ASN (N) | 18 | 4.11% |
| Glutamine GLN (Q) | 34 | 7.76% |
| Proline PRO (P) | 26 | 5.94% |
| Serine SER (S) | 56 | 12.79% |
| Arginine ARG (R) | 8 | 1.83% |
| Threonine THR (T) | 37 | 8.45% |
| Tryptophan TRP (W) | 2 | 0.46% |
| Valine VAL (V) | 21 | 4.79% |
| Tyrosine TYR (Y) | 17 | 3.88% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2005 |
| Hydrogen | H | 3117 |
| Nitrogen | N | 527 |
| Oxygen | O | 677 |
| Sulphur | S | 23 |
| Formula | C2005H3117N527O677S23 |
| Total Number of Atoms: | 6349 |
| Total number of positively charged residues (ARG + LYS): | 13 |
| Total number of negatively charged residues (ASP + GLU): | 38 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 37080 Absorption 0.1% (=1 g/l) 0.803, assuming all pairs of CYS residues form cystines Ext. coefficient 36330 Absorption 0.1% (=1 g/l) 0.787, assuming all CYS residues are reduced |
| Aromaticity: | 0.078 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 52.93 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.94, 34.02, 20.32] Amino acids in helix: V, I, Y, F, W, L || Amino acids in turn: N, P, G, S || Amino acids in sheet: E, M, A, L |
| Aliphatic index: | 75.2511 |
| Grand average of hydropathicity (GRAVY): | -0.13 |